This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A276853 #9 Sep 25 2016 04:25:46
%S A276853 0,5,10,16,21,27,32,38,43,48,54,59,65,70,76,81,86,92,97,103,108,114,
%T A276853 119,125,130,135,141,146,152,157,163,168,173,179,184,190,195,201,206,
%U A276853 212,217,222,228,233,239,244,250,255,260,266,271,277,282,288,293,299
%N A276853 Beatty sequence for 2*e.
%C A276853 A bisection of A022843.
%H A276853 Clark Kimberling, <a href="/A276853/b276853.txt">Table of n, a(n) for n = 0..10000</a>
%H A276853 <a href="/index/Be#Beatty">Index entries for sequences related to Beatty sequences</a>
%F A276853 a(n) = floor(2*e*n).
%t A276853 z = 500; r = 2 E; b = Table[Floor[k*r], {k, 0, z}] (* A276853 *)
%Y A276853 Cf. A022843, A276860, A276876.
%K A276853 nonn,easy
%O A276853 0,2
%A A276853 _Clark Kimberling_, Sep 24 2016